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    SubjectRe: Possible dcache BUG
    On Fri, 20 Aug 2004 17:49:55 +1000 Nick Piggin (NP) wrote:

    NP> Can you reproduce the OOM with the following patch please? Then
    NP> send the output.

    I reproduced the problem using a slightly different setup to trigger the
    problem faster: 128 MB RAM, 188992 KB swap

    Here's the output of the OOM killer with your patch applied:

    oom-killer: gfp_mask=0x1d2
    DMA per-cpu:
    cpu 0 hot: low 2, high 6, batch 1
    cpu 0 cold: low 0, high 2, batch 1
    Normal per-cpu:
    cpu 0 hot: low 14, high 42, batch 7
    cpu 0 cold: low 0, high 14, batch 7
    HighMem per-cpu: empty

    Free pages: 1316kB (0kB HighMem)
    Active:5281 inactive:23611 dirty:0 writeback:0 unstable:0 free:329 slab:1403 mapped:12232 pagetables:167
    DMA free:712kB min:44kB low:88kB high:132kB active:5076kB inactive:5332kB present:16384kB pages_scanned:10112 all_unreclaimable? yes
    protections[]: 22 178 178
    Normal free:604kB min:312kB low:624kB high:936kB active:16048kB inactive:89112kB present:114688kB pages_scanned:62432 all_unreclaimable? yes
    protections[]: 0 156 156
    HighMem free:0kB min:128kB low:256kB high:384kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
    protections[]: 0 0 0
    DMA: 0*4kB 3*8kB 13*16kB 1*32kB 1*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 712kB
    Normal: 1*4kB 1*8kB 1*16kB 0*32kB 1*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 604kB
    HighMem: empty
    Swap cache: add 90886, delete 74524, find 4659/4974, race 0+0
    Out of Memory: Killed process 1217 (gphoto2).

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